查询词典 channel beam

In order to do this, the width of narrow annuli cooling channel of beryllium beam pipe was designed by optimization method, the theoretical analysis and finite element method were used, then the optimal width was chosen, the influence of concentrated heat on the temperature of inner and outer wall was studied, and the optimal working velocity of cooling fluid was given.

本文结合理论分析和有限元数值模拟对束流铍管的冷却环形窄通道尺寸进行优化设计，确定了窄通道最佳间隙，研究了集中热负荷对内外壁温度场的影响，并确定了冷却液最佳工作流速。

In receiving antenna, when a cone-channel condenser is located at the exit pupil of a Keplerian telescope, proper field of view is obtained without tracking system at the receive end, because the receiving optical power of APD will keep stable to a great extent when the incident beam deflects.

发射天线包括准直镜和扩束镜两部分，出射光束发散角压缩到1mrad；接收天线采用非成像光学设计，将接收光锥置于望远系统的出瞳位置，保证了大视场光束的准确接收，从而提高了系统抗干扰能力。

Only when the Qin and Han Dynasties in Fujian and Guangdong jagged ridge of the channel for clearance Livistona; of the Jin Dynasty in the early years of Liangshan County under the build-sui; Liang-day supervisor (502-519 years) years in the city Jing to build water-lan County; beam Datong 2006 (In 504 AD) built in Kowloon River Longxi County; 12 Suikai Huang (592 AD), Sui and security, county Longxi into the blue water.

秦汉时只在闽粤通道的盘陀岭设蒲葵关；晋代初年在梁山下建绥安县；梁天监（502-519年）年间在荆城建兰水县；梁大同六年（公元504年）在九龙江畔建置龙溪县；隋开皇十二年（公元592年），并绥安，兰水入龙溪县。

The concepts of sectorial smart antenna and edge interferences are proposed. The optimum principle of sectorial beam and two channel distribution schemes to solve the edge interference are illustrated.

提出了扇区化智能天线系统的概念和边缘干扰问题，给出了扇区波束的优化原则和解决边缘干扰问题的两种信道分配策略。

The energy is enveloped in a plasma containment sphere shaped by emitter cowls that channel the sonic beam.

引导声波束的发射罩形成等离子体禁闭球，将能量包裹在球体中。

After antenna array is meliorated, the channel capacity of multi-beam array is much better than that of the adaptive array antenna.

合理设计单元天线和阵列结构，其提高系统信道容量的能力远大于自适应智能天线。

Inner beam has the upper and lower floors, with 20 14 channel steel welded together.

内环梁有上、下两层，用20块［14槽钢焊接而成。

Then we introduce the character of the atmosphere channel , which we emphasized on the atmosphere scatter, absorption and scintillations effect on the laser beam.

接着介绍无线光传输的大气信道的特点，着重分析大气的散射、吸收和湍流效应对光传输的影响。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。